Jack



FIG. 1 is a front elevation view of a jack depicted in an extendedconfiguration and showing my new design.

FIG. 2 is a top left side perspective view of the jack depicted in theextended configuration.

FIG. 3 is a right side elevation view of the jack depicted in theextended configuration.

FIG. 4 is a rear elevation view of the jack depicted in the extendedconfiguration.

FIG. 5 is a left side elevation view of the jack depicted in theextended configuration.

FIG. 6 is a top plan view of the jack depicted in the extendedconfiguration.

FIG. 7 is a front elevation view of the jack depicted in a retractedconfiguration.

FIG. 8 is a top right side perspective view of the jack depicted in theretracted configuration.

FIG. 9 is a right side elevation view of the jack depicted in theretracted configuration.

FIG. 10 is a rear elevation view of the jack depicted in the retractedconfiguration.

FIG. 11 is a left side elevation view of the jack depicted in theretracted configuration; and,

FIG. 12 is a top plan view of the jack depicted in the retractedconfiguration.

CLAIM The ornamental design for a jack, as shown and described.